Home / 1,768,593.78-2,651,894.13-615,311.45

Finding the Fourth Proportional to 1,768,593.78, 2,651,894.13 and 615,311.45

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Solution

The fourth proportional to 1,768,593.78, 2,651,894.13 and 615,311.45 is: 922,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,593.78 : 2,651,894.13 = 615,311.45 : x
  2. Step 2: Convert to fraction form
    1,768,593.78/2,651,894.13 = 615,311.45/x
  3. Step 3: Cross multiply
    1,768,593.78x = 2,651,894.13 × 615,311.45
  4. Step 4: Simplify right side
    1,768,593.78x = 1,631,740,821,369.34
  5. Step 5: Solve for x
    x = 1,631,740,821,369.34/1,768,593.78
  6. Step 6: Final answer
    x = 922,620.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.